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Oral ulcers in patients with advanced breast cancer receiving everolimus: a case series report on clinical presentation and management

      Objective

      We report the clinical features and management outcomes in 7 patients with everolimus-related stomatitis.

      Study design

      Fifteen women with hormone-receptor-positive advanced breast cancer receiving everolimus combined with exemestane were prospectively evaluated to assess the development of stomatitis. Oral ulcers were diagnosed based on established criteria.

      Results

      Seven patients developed stomatitis (46.6%). All patients were treated with topical dexamethasone solution, while everolimus was temporarily discontinued in 4 patients. Stomatitis resolved within 1-2 weeks. Two of the 4 patients, who had interrupted everolimus, developed recurrent stomatitis following drug resume and everolimus was again discontinued and restarted after 2 weeks. To date, 5 patients receive everolimus in full dose. The 2 patients, who developed recurrent stomatitis, received a reduced dose.

      Conclusions

      Everolimus-related oral ulcers were frequent and led to dose modifications. Controlled trials, endorsing a consensus in terminology, are needed to evaluate measures on prevention and management of this unique toxicity.
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